Question about Compaq fs740 17" CRT Monitor

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Compaq fs740 my monitor dit not adjust the horizontal I don;t now wath hapen I'try to adjust but I can't I need the repair guide or the schematic as soon I need to repair the monitor

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  • wakko Aug 17, 2007

    hellp to find the answer

  • Anonymous May 20, 2009

    I cant get the horizontal properties of my monitor fixed not with the buttons on the bottom on the screen on any program i have used so far out the i tried the drivers HQ but it didn't work

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  • 6 Answers

U need to go into your control panel then display settings to adjust rersolution

Posted on Sep 04, 2008

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Dit you calibrate the monitor? there are 2 possibilities, 1. the cable is damaged or second the monitor needs adjustment which you can do via the menu - calibrate. try it out.

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My computer's all windows screen has suddenly shrunk today with a black border in right and left side. Now how can I get ride of this problem and make my windows screen normal again?


It's probably the monitor either was adjusted or is having a problem.

Use the buttons on the monitor to adjust the horizontal width on the screen...This should stretch your windows display across the screen if you adjust properly. Most monitors also have an auto adjust option...you can try that too.

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My monitor does not display full screen though all the settings are OK. This problem has just emerged recently. The vertical size is fine and the horizontal size is the affected size.REMEMBER ALL THE...


The Horizontal power supply voltage is low. This is provided as a "sawtooth" waveform via the CRT flyback transformer.

Some flybacks offer a voltage adjustment via a potentiometer ("pot") on the side of the unit. I do not have a schematic for your monitor, so I cannot tell you for certain if this is an option. This adjustment should only be made by a trained technician. If you are not familiar with high voltage electronics, DO NOT OPEN THE SET!

I recommend replacing the monitor. When they age, you can only buy some time before it goes for good, and prices are so low now that repairs are not usually cost effective.




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This implies that your monitor had gone bad. you need to take it to a computer repair shop.

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Half of the screen is black - Samsung SynchMaster 710N


hello
I am a technician-informatic. I have repaired about 80 Lcd Samsung monitors with theese problems. I offer the repair manual.
Manual has been done with the experience of the repairing Samsung Lcd monitors. Manual was made by me and shows how to open monitor, how
to solve dark screen problem, how to check and replace capacitors, how to solve the problem non-optimal mode (without reprogramming MCU or
changing the main board) photo are included. 100% functional. The repair process is very simple 30-40min. (does not need a lot of
experience in electronics and expensive instruments) and is not expensive. With this manual you can solve problems by yourself and save
money.

"Not Optimum Mode 1280x1024 60Hz"
- The monitor turns on but turns off by itself, the LED blinks green.
- If you detach from the PC points to "control cable" the picture runs continuously in the vertical direction or presents while line , and
as soon as it is reconnected, the monitor goes off.
- The monitor does not turns on and dont dispaly anything, the LED blinks green-lit, if you detach from pc points to "control cable".
- The monitor turns on, works well some time, but after a window apiers "Not optimum mode. Mode recommended 1280X1024 60Hz"
- The monitor turns on, works well only with low resolution 800x600, when try to change a window that reads "Not optimum mode. Mode
recommended 1280X1024 60Hz"

the manual you can find on ebay (my ebay name is asnerejas123):
Samsung monitor repair manual guide 710n,913v,510n more
220498646211
Riparazione - repair Lcd Samsung monitor 710n,913v,510n
220498645860
Reparaturhandbuch für Samsung 710n,913v,510n und andere
220499443698

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1 Answer

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Hello,

The Samsung SyncMaster 940MW monitor has an issue with the power supply going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

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6 Answers

Monitor problem


Hi,

Appreciate the "Ask Me".

I am assuming that you have more than just familiarity with electronic components and circuitry, the use of a DVM and a soldering iron. Further, that you have access to a service manual.

Width problem is basically insufficient horizontal deflection, then analysis would have to be in the horizontal section. Areas to initially focus on:
  1. 12V line and pin 29 of IC401;
  2. 110 V peak to peak at collector of Q403, if yes check Q 402 & 404 as well as T401;
  3. other components that affect the horizontal size are:
  • IC201
  • Q 405, 406, 407 & 408;
  • D409
  • L401
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

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Your monitors Horizontal section has gone faulty... some components have gone out of tolerence.. and this is what is making the picture streach out. I think it's gonna be a job for the "Shop" Ensure that you get a firm "Quote" B4 you proceede.

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